3862686 has 8 divisors (see below), whose sum is σ = 7725384. Its totient is φ = 1287560.

The previous prime is 3862673. The next prime is 3862699. The reversal of 3862686 is 6862683.

It is an interprime number because it is at equal distance from previous prime (3862673) and next prime (3862699).

It is a sphenic number, since it is the product of 3 distinct primes.

3862686 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321885 + ... + 321896.

It is an arithmetic number, because the mean of its divisors is an integer number (965673).

Almost surely, 2^3862686 is an apocalyptic number.

3862686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3862686 is a wasteful number, since it uses less digits than its factorization.

3862686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643786.

The product of its digits is 82944, while the sum is 39.

The square root of 3862686 is about 1965.3717205659. The cubic root of 3862686 is about 156.9024777400.

The spelling of 3862686 in words is "three million, eight hundred sixty-two thousand, six hundred eighty-six".